Index: tools/gn/location.h |
diff --git a/tools/gn/location.h b/tools/gn/location.h |
index 44d1a6fe68f614112bf1d57993cc8af8bb92755c..647c6f71227c2287a0099d3b2ccddabe86e0a008 100644 |
--- a/tools/gn/location.h |
+++ b/tools/gn/location.h |
@@ -19,6 +19,7 @@ class Location { |
int line_number() const { return line_number_; } |
int column_number() const { return column_number_; } |
int byte() const { return byte_; } |
+ bool is_null() const { return *this == Location(); } |
bool operator==(const Location& other) const; |
bool operator!=(const Location& other) const; |
@@ -45,6 +46,10 @@ class LocationRange { |
const Location& begin() const { return begin_; } |
const Location& end() const { return end_; } |
+ bool is_null() const { |
+ return begin_.is_null(); // No need to check both for the null case. |
+ } |
+ |
LocationRange Union(const LocationRange& other) const; |